﻿import random
import string
all_string='0123456789qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM'
def random_code(len):
    return ''.join(random.choices(all_string,k=len))

for times in range(5):
    print(random_code(5))
# print(type(all_string))
# print(all_string[0:20])
print(''.join(random.choices(all_string,k=5)))
